Home / 11,351.80-17,034.36-4,777.48

Finding the Fourth Proportional to 11,351.80, 17,034.36 and 4,777.48

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Solution

The fourth proportional to 11,351.80, 17,034.36 and 4,777.48 is: 7,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.80 : 17,034.36 = 4,777.48 : x
  2. Step 2: Convert to fraction form
    11,351.80/17,034.36 = 4,777.48/x
  3. Step 3: Cross multiply
    11,351.80x = 17,034.36 × 4,777.48
  4. Step 4: Simplify right side
    11,351.80x = 81,381,314.21
  5. Step 5: Solve for x
    x = 81,381,314.21/11,351.80
  6. Step 6: Final answer
    x = 7,169.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.